279 lines
7.8 KiB
Go
279 lines
7.8 KiB
Go
package main
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import (
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"bytes"
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"crypto/md5"
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crand "crypto/rand"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"os/exec"
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"strings"
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"sync"
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"time"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/swarm/storage/feed"
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"github.com/pborman/uuid"
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cli "gopkg.in/urfave/cli.v1"
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)
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const (
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feedRandomDataLength = 8
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)
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// TODO: retrieve with manifest + extract repeating code
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func feedUploadAndSync(c *cli.Context) error {
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defer func(now time.Time) { log.Info("total time", "time", time.Since(now), "size (kb)", filesize) }(time.Now())
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generateEndpoints(scheme, cluster, appName, from, to)
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log.Info("generating and uploading feeds to " + endpoints[0] + " and syncing")
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// create a random private key to sign updates with and derive the address
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pkFile, err := ioutil.TempFile("", "swarm-feed-smoke-test")
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if err != nil {
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return err
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}
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defer pkFile.Close()
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defer os.Remove(pkFile.Name())
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privkeyHex := "0000000000000000000000000000000000000000000000000000000000001976"
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privKey, err := crypto.HexToECDSA(privkeyHex)
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if err != nil {
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return err
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}
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user := crypto.PubkeyToAddress(privKey.PublicKey)
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userHex := hexutil.Encode(user.Bytes())
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// save the private key to a file
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_, err = io.WriteString(pkFile, privkeyHex)
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if err != nil {
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return err
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}
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// keep hex strings for topic and subtopic
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var topicHex string
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var subTopicHex string
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// and create combination hex topics for bzz-feed retrieval
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// xor'ed with topic (zero-value topic if no topic)
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var subTopicOnlyHex string
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var mergedSubTopicHex string
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// generate random topic and subtopic and put a hex on them
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topicBytes, err := generateRandomData(feed.TopicLength)
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topicHex = hexutil.Encode(topicBytes)
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subTopicBytes, err := generateRandomData(8)
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subTopicHex = hexutil.Encode(subTopicBytes)
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if err != nil {
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return err
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}
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mergedSubTopic, err := feed.NewTopic(subTopicHex, topicBytes)
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if err != nil {
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return err
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}
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mergedSubTopicHex = hexutil.Encode(mergedSubTopic[:])
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subTopicOnlyBytes, err := feed.NewTopic(subTopicHex, nil)
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if err != nil {
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return err
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}
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subTopicOnlyHex = hexutil.Encode(subTopicOnlyBytes[:])
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// create feed manifest, topic only
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var out bytes.Buffer
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cmd := exec.Command("swarm", "--bzzapi", endpoints[0], "feed", "create", "--topic", topicHex, "--user", userHex)
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cmd.Stdout = &out
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log.Debug("create feed manifest topic cmd", "cmd", cmd)
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err = cmd.Run()
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if err != nil {
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return err
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}
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manifestWithTopic := strings.TrimRight(out.String(), string([]byte{0x0a}))
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if len(manifestWithTopic) != 64 {
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return fmt.Errorf("unknown feed create manifest hash format (topic): (%d) %s", len(out.String()), manifestWithTopic)
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}
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log.Debug("create topic feed", "manifest", manifestWithTopic)
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out.Reset()
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// create feed manifest, subtopic only
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cmd = exec.Command("swarm", "--bzzapi", endpoints[0], "feed", "create", "--name", subTopicHex, "--user", userHex)
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cmd.Stdout = &out
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log.Debug("create feed manifest subtopic cmd", "cmd", cmd)
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err = cmd.Run()
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if err != nil {
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return err
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}
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manifestWithSubTopic := strings.TrimRight(out.String(), string([]byte{0x0a}))
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if len(manifestWithSubTopic) != 64 {
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return fmt.Errorf("unknown feed create manifest hash format (subtopic): (%d) %s", len(out.String()), manifestWithSubTopic)
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}
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log.Debug("create subtopic feed", "manifest", manifestWithTopic)
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out.Reset()
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// create feed manifest, merged topic
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cmd = exec.Command("swarm", "--bzzapi", endpoints[0], "feed", "create", "--topic", topicHex, "--name", subTopicHex, "--user", userHex)
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cmd.Stdout = &out
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log.Debug("create feed manifest mergetopic cmd", "cmd", cmd)
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err = cmd.Run()
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if err != nil {
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log.Error(err.Error())
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return err
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}
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manifestWithMergedTopic := strings.TrimRight(out.String(), string([]byte{0x0a}))
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if len(manifestWithMergedTopic) != 64 {
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return fmt.Errorf("unknown feed create manifest hash format (mergedtopic): (%d) %s", len(out.String()), manifestWithMergedTopic)
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}
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log.Debug("create mergedtopic feed", "manifest", manifestWithMergedTopic)
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out.Reset()
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// create test data
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data, err := generateRandomData(feedRandomDataLength)
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if err != nil {
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return err
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}
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h := md5.New()
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h.Write(data)
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dataHash := h.Sum(nil)
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dataHex := hexutil.Encode(data)
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// update with topic
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cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, dataHex)
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cmd.Stdout = &out
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log.Debug("update feed manifest topic cmd", "cmd", cmd)
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err = cmd.Run()
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if err != nil {
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return err
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}
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log.Debug("feed update topic", "out", out)
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out.Reset()
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// update with subtopic
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cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--name", subTopicHex, dataHex)
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cmd.Stdout = &out
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log.Debug("update feed manifest subtopic cmd", "cmd", cmd)
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err = cmd.Run()
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if err != nil {
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return err
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}
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log.Debug("feed update subtopic", "out", out)
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out.Reset()
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// update with merged topic
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cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, "--name", subTopicHex, dataHex)
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cmd.Stdout = &out
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log.Debug("update feed manifest merged topic cmd", "cmd", cmd)
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err = cmd.Run()
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if err != nil {
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return err
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}
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log.Debug("feed update mergedtopic", "out", out)
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out.Reset()
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time.Sleep(3 * time.Second)
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// retrieve the data
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wg := sync.WaitGroup{}
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for _, endpoint := range endpoints {
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// raw retrieve, topic only
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for _, hex := range []string{topicHex, subTopicOnlyHex, mergedSubTopicHex} {
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wg.Add(1)
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ruid := uuid.New()[:8]
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go func(hex string, endpoint string, ruid string) {
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for {
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err := fetchFeed(hex, userHex, endpoint, dataHash, ruid)
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if err != nil {
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continue
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}
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wg.Done()
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return
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}
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}(hex, endpoint, ruid)
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}
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}
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wg.Wait()
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log.Info("all endpoints synced random data successfully")
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// upload test file
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seed := int(time.Now().UnixNano() / 1e6)
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log.Info("feed uploading to "+endpoints[0]+" and syncing", "seed", seed)
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h = md5.New()
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r := io.TeeReader(io.LimitReader(crand.Reader, int64(filesize*1000)), h)
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hash, err := upload(r, filesize*1000, endpoints[0])
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if err != nil {
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return err
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}
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hashBytes, err := hexutil.Decode("0x" + hash)
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if err != nil {
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return err
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}
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multihashHex := hexutil.Encode(hashBytes)
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fileHash := h.Sum(nil)
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log.Info("uploaded successfully", "hash", hash, "digest", fmt.Sprintf("%x", fileHash))
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// update file with topic
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cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, multihashHex)
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cmd.Stdout = &out
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err = cmd.Run()
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if err != nil {
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return err
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}
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log.Debug("feed update topic", "out", out)
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out.Reset()
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// update file with subtopic
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cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--name", subTopicHex, multihashHex)
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cmd.Stdout = &out
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err = cmd.Run()
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if err != nil {
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return err
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}
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log.Debug("feed update subtopic", "out", out)
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out.Reset()
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// update file with merged topic
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cmd = exec.Command("swarm", "--bzzaccount", pkFile.Name(), "--bzzapi", endpoints[0], "feed", "update", "--topic", topicHex, "--name", subTopicHex, multihashHex)
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cmd.Stdout = &out
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err = cmd.Run()
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if err != nil {
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return err
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}
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log.Debug("feed update mergedtopic", "out", out)
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out.Reset()
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time.Sleep(3 * time.Second)
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for _, endpoint := range endpoints {
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// manifest retrieve, topic only
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for _, url := range []string{manifestWithTopic, manifestWithSubTopic, manifestWithMergedTopic} {
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wg.Add(1)
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ruid := uuid.New()[:8]
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go func(url string, endpoint string, ruid string) {
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for {
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err := fetch(url, endpoint, fileHash, ruid)
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if err != nil {
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continue
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}
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wg.Done()
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return
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}
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}(url, endpoint, ruid)
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}
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}
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wg.Wait()
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log.Info("all endpoints synced random file successfully")
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return nil
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}
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